Display screen or portion thereof with device management function icon



FIG. 1 is a front view of the display screen or portion thereof withdevice management function icon showing the device management functionicon enlarged and separate for clarity of illustration; and,

FIG. 2 is a front view of a display screen or portion thereof withdevice management function icon showing the new design.

The broken line showing of the display screen forms no part of theclaimed design. The broken lines are for environmental purposes only andform no part of the claimed design.

CLAIM The ornamental design for a display screen or portion thereof withdevice management function icon, as shown and described.